Questions 24-30·Look at the questions for
题型：单项选择题
问题：
Questions 24-30
·Look at the questions for this part.
·You will hear a passage about "Marriage Customs in the U.S. ". You will listen to it twice.
·For questions 24-30, indicate which of the alternatives A, B, or C is the most appropriate response.
·Mark one letter A, B, or C on the Answer Sheet.
The roundness of the ring represents ______.
A．eternity and the unity of the couple
B．beginning and quality of the couple’s life
C．all of the above